17939362425

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:951

約数の個数: 96

約数和(自身を含む): 31285664256

約数和(自身を除く): 13346301831

約数列:

[1, 3, 5, 15, 25, 41, 43, 75, 123, 129, 205, 211, 215, 615, 633, 643, 645, 1025, 1055, 1075, 1763, 1929, 3075, 3165, 3215, 3225, 5275, 5289, 8651, 8815, 9073, 9645, 15825, 16075, 25953, 26363, 26445, 27219, 27649, 43255, 44075, 45365, 48225, 79089, 82947, 129765, 131815, 132225, 135673, 136095, 138245, 216275, 226825, 371993, 395445, 407019, 414735, 648825, 659075, 678365, 680475, 691225, 1115979, 1133609, 1859965, 1977225, 2035095, 2073675, 3391825, 3400827, 5562593, 5579895, 5668045, 5833939, 9299825, 10175475, 16687779, 17004135, 17501817, 27812965, 27899475, 28340225, 29169695, 83438895, 85020675, 87509085, 139064825, 145848475, 239191499, 417194475, 437545425, 717574497, 1195957495, 3587872485, 5979787475, 17939362425]

約数ペア:

[(1, 17939362425), (3, 5979787475), (5, 3587872485), (15, 1195957495), (25, 717574497), (41, 437545425), (43, 417194475), (75, 239191499), (123, 145848475), (129, 139064825), (205, 87509085), (211, 85020675), (215, 83438895), (615, 29169695), (633, 28340225), (643, 27899475), (645, 27812965), (1025, 17501817), (1055, 17004135), (1075, 16687779), (1763, 10175475), (1929, 9299825), (3075, 5833939), (3165, 5668045), (3215, 5579895), (3225, 5562593), (5275, 3400827), (5289, 3391825), (8651, 2073675), (8815, 2035095), (9073, 1977225), (9645, 1859965), (15825, 1133609), (16075, 1115979), (25953, 691225), (26363, 680475), (26445, 678365), (27219, 659075), (27649, 648825), (43255, 414735), (44075, 407019), (45365, 395445), (48225, 371993), (79089, 226825), (82947, 216275), (129765, 138245), (131815, 136095), (132225, 135673)]