16778797275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{18457}}^1$

素因数の和:18541

約数の個数: 96

約数和(自身を含む): 31640260608

約数和(自身を除く): 14861463333

約数列:

[1, 3, 5, 15, 17, 23, 25, 31, 51, 69, 75, 85, 93, 115, 155, 255, 345, 391, 425, 465, 527, 575, 713, 775, 1173, 1275, 1581, 1725, 1955, 2139, 2325, 2635, 3565, 5865, 7905, 9775, 10695, 12121, 13175, 17825, 18457, 29325, 36363, 39525, 53475, 55371, 60605, 92285, 181815, 276855, 303025, 313769, 424511, 461425, 572167, 909075, 941307, 1273533, 1384275, 1568845, 1716501, 2122555, 2860835, 4706535, 6367665, 7216687, 7844225, 8582505, 9726839, 10612775, 13159841, 14304175, 21650061, 23532675, 29180517, 31838325, 36083435, 39479523, 42912525, 48634195, 65799205, 108250305, 145902585, 180417175, 197397615, 223717297, 243170975, 328996025, 541251525, 671151891, 729512925, 986988075, 1118586485, 3355759455, 5592932425, 16778797275]

約数ペア:

[(1, 16778797275), (3, 5592932425), (5, 3355759455), (15, 1118586485), (17, 986988075), (23, 729512925), (25, 671151891), (31, 541251525), (51, 328996025), (69, 243170975), (75, 223717297), (85, 197397615), (93, 180417175), (115, 145902585), (155, 108250305), (255, 65799205), (345, 48634195), (391, 42912525), (425, 39479523), (465, 36083435), (527, 31838325), (575, 29180517), (713, 23532675), (775, 21650061), (1173, 14304175), (1275, 13159841), (1581, 10612775), (1725, 9726839), (1955, 8582505), (2139, 7844225), (2325, 7216687), (2635, 6367665), (3565, 4706535), (5865, 2860835), (7905, 2122555), (9775, 1716501), (10695, 1568845), (12121, 1384275), (13175, 1273533), (17825, 941307), (18457, 909075), (29325, 572167), (36363, 461425), (39525, 424511), (53475, 313769), (55371, 303025), (60605, 276855), (92285, 181815)]