31920525

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1559}}^1$

素因数の和:1595

約数の個数: 72

約数和(自身を含む): 70412160

約数和(自身を除く): 38491635

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 63, 65, 75, 91, 105, 117, 175, 195, 225, 273, 315, 325, 455, 525, 585, 819, 975, 1365, 1559, 1575, 2275, 2925, 4095, 4677, 6825, 7795, 10913, 14031, 20267, 20475, 23385, 32739, 38975, 54565, 60801, 70155, 98217, 101335, 116925, 141869, 163695, 182403, 272825, 304005, 350775, 425607, 491085, 506675, 709345, 818475, 912015, 1276821, 1520025, 2128035, 2455425, 3546725, 4560075, 6384105, 10640175, 31920525]

約数ペア:

[(1, 31920525), (3, 10640175), (5, 6384105), (7, 4560075), (9, 3546725), (13, 2455425), (15, 2128035), (21, 1520025), (25, 1276821), (35, 912015), (39, 818475), (45, 709345), (63, 506675), (65, 491085), (75, 425607), (91, 350775), (105, 304005), (117, 272825), (175, 182403), (195, 163695), (225, 141869), (273, 116925), (315, 101335), (325, 98217), (455, 70155), (525, 60801), (585, 54565), (819, 38975), (975, 32739), (1365, 23385), (1559, 20475), (1575, 20267), (2275, 14031), (2925, 10913), (4095, 7795), (4677, 6825)]