87155985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{3307}}^1$

素因数の和:3573

約数の個数: 32

約数和(自身を含む): 160054272

約数和(自身を除く): 72898287

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 251, 753, 1255, 1757, 3307, 3765, 5271, 8785, 9921, 16535, 23149, 26355, 49605, 69447, 115745, 347235, 830057, 2490171, 4150285, 5810399, 12450855, 17431197, 29051995, 87155985]

約数ペア:

[(1, 87155985), (3, 29051995), (5, 17431197), (7, 12450855), (15, 5810399), (21, 4150285), (35, 2490171), (105, 830057), (251, 347235), (753, 115745), (1255, 69447), (1757, 49605), (3307, 26355), (3765, 23149), (5271, 16535), (8785, 9921)]