12919725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 28525952

約数和(自身を除く): 15606227

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, 631, 819, 975, 1365, 1575, 1893, 2275, 2925, 3155, 4095, 4417, 5679, 6825, 8203, 9465, 13251, 15775, 20475, 22085, 24609, 28395, 39753, 41015, 47325, 57421, 66255, 73827, 110425, 123045, 141975, 172263, 198765, 205075, 287105, 331275, 369135, 516789, 615225, 861315, 993825, 1435525, 1845675, 2583945, 4306575, 12919725]

約数ペア:

[(1, 12919725), (3, 4306575), (5, 2583945), (7, 1845675), (9, 1435525), (13, 993825), (15, 861315), (21, 615225), (25, 516789), (35, 369135), (39, 331275), (45, 287105), (63, 205075), (65, 198765), (75, 172263), (91, 141975), (105, 123045), (117, 110425), (175, 73827), (195, 66255), (225, 57421), (273, 47325), (315, 41015), (325, 39753), (455, 28395), (525, 24609), (585, 22085), (631, 20475), (819, 15775), (975, 13251), (1365, 9465), (1575, 8203), (1893, 6825), (2275, 5679), (2925, 4417), (3155, 4095)]