13971825

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{2957}}^1$

素因数の和:2983

約数の個数: 48

約数和(自身を含む): 29343360

約数和(自身を除く): 15371535

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 2957, 4725, 8871, 14785, 20699, 26613, 44355, 62097, 73925, 79839, 103495, 133065, 186291, 221775, 310485, 399195, 517475, 558873, 665325, 931455, 1552425, 1995975, 2794365, 4657275, 13971825]

約数ペア:

[(1, 13971825), (3, 4657275), (5, 2794365), (7, 1995975), (9, 1552425), (15, 931455), (21, 665325), (25, 558873), (27, 517475), (35, 399195), (45, 310485), (63, 221775), (75, 186291), (105, 133065), (135, 103495), (175, 79839), (189, 73925), (225, 62097), (315, 44355), (525, 26613), (675, 20699), (945, 14785), (1575, 8871), (2957, 4725)]