211380207825

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{7489}}^1$

素因数の和:7747

約数の個数: 96

約数和(自身を含む): 366050321280

約数和(自身を除く): 154670113455

約数列:

[1, 3, 5, 15, 25, 41, 67, 75, 123, 137, 201, 205, 335, 411, 615, 685, 1005, 1025, 1675, 2055, 2747, 3075, 3425, 5025, 5617, 7489, 8241, 9179, 10275, 13735, 16851, 22467, 27537, 28085, 37445, 41205, 45895, 68675, 84255, 112335, 137685, 140425, 187225, 206025, 229475, 307049, 376339, 421275, 501763, 561675, 688425, 921147, 1025993, 1129017, 1505289, 1535245, 1881695, 2508815, 3077979, 4605735, 5129965, 5645085, 7526445, 7676225, 9408475, 12544075, 15389895, 20572283, 23028675, 25649825, 28225425, 37632225, 42065713, 61716849, 68741531, 76949475, 102861415, 126197139, 206224593, 210328565, 308584245, 343707655, 514307075, 630985695, 1031122965, 1051642825, 1542921225, 1718538275, 2818402771, 3154928475, 5155614825, 8455208313, 14092013855, 42276041565, 70460069275, 211380207825]

約数ペア:

[(1, 211380207825), (3, 70460069275), (5, 42276041565), (15, 14092013855), (25, 8455208313), (41, 5155614825), (67, 3154928475), (75, 2818402771), (123, 1718538275), (137, 1542921225), (201, 1051642825), (205, 1031122965), (335, 630985695), (411, 514307075), (615, 343707655), (685, 308584245), (1005, 210328565), (1025, 206224593), (1675, 126197139), (2055, 102861415), (2747, 76949475), (3075, 68741531), (3425, 61716849), (5025, 42065713), (5617, 37632225), (7489, 28225425), (8241, 25649825), (9179, 23028675), (10275, 20572283), (13735, 15389895), (16851, 12544075), (22467, 9408475), (27537, 7676225), (28085, 7526445), (37445, 5645085), (41205, 5129965), (45895, 4605735), (68675, 3077979), (84255, 2508815), (112335, 1881695), (137685, 1535245), (140425, 1505289), (187225, 1129017), (206025, 1025993), (229475, 921147), (307049, 688425), (376339, 561675), (421275, 501763)]