81391050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13913}}^1$

素因数の和:13944

約数の個数: 72

約数和(自身を含む): 235508364

約数和(自身を除く): 154117314

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 5850, 13913, 27826, 41739, 69565, 83478, 125217, 139130, 180869, 208695, 250434, 347825, 361738, 417390, 542607, 626085, 695650, 904345, 1043475, 1085214, 1252170, 1627821, 1808690, 2086950, 2713035, 3130425, 3255642, 4521725, 5426070, 6260850, 8139105, 9043450, 13565175, 16278210, 27130350, 40695525, 81391050]

約数ペア:

[(1, 81391050), (2, 40695525), (3, 27130350), (5, 16278210), (6, 13565175), (9, 9043450), (10, 8139105), (13, 6260850), (15, 5426070), (18, 4521725), (25, 3255642), (26, 3130425), (30, 2713035), (39, 2086950), (45, 1808690), (50, 1627821), (65, 1252170), (75, 1085214), (78, 1043475), (90, 904345), (117, 695650), (130, 626085), (150, 542607), (195, 417390), (225, 361738), (234, 347825), (325, 250434), (390, 208695), (450, 180869), (585, 139130), (650, 125217), (975, 83478), (1170, 69565), (1950, 41739), (2925, 27826), (5850, 13913)]