16642935

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 31426560

約数和(自身を除く): 14783625

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 47, 61, 129, 135, 141, 183, 215, 235, 305, 387, 423, 549, 645, 705, 915, 1161, 1269, 1647, 1935, 2021, 2115, 2623, 2745, 2867, 5805, 6063, 6345, 7869, 8235, 8601, 10105, 13115, 14335, 18189, 23607, 25803, 30315, 39345, 43005, 54567, 70821, 77409, 90945, 118035, 123281, 129015, 272835, 354105, 369843, 387045, 616405, 1109529, 1849215, 3328587, 5547645, 16642935]

約数ペア:

[(1, 16642935), (3, 5547645), (5, 3328587), (9, 1849215), (15, 1109529), (27, 616405), (43, 387045), (45, 369843), (47, 354105), (61, 272835), (129, 129015), (135, 123281), (141, 118035), (183, 90945), (215, 77409), (235, 70821), (305, 54567), (387, 43005), (423, 39345), (549, 30315), (645, 25803), (705, 23607), (915, 18189), (1161, 14335), (1269, 13115), (1647, 10105), (1935, 8601), (2021, 8235), (2115, 7869), (2623, 6345), (2745, 6063), (2867, 5805)]