393357885

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{5227}}^1$

素因数の和:5437

約数の個数: 32

約数和(自身を含む): 654963840

約数和(自身を除く): 261605955

約数列:

[1, 3, 5, 15, 29, 87, 145, 173, 435, 519, 865, 2595, 5017, 5227, 15051, 15681, 25085, 26135, 75255, 78405, 151583, 454749, 757915, 904271, 2273745, 2712813, 4521355, 13564065, 26223859, 78671577, 131119295, 393357885]

約数ペア:

[(1, 393357885), (3, 131119295), (5, 78671577), (15, 26223859), (29, 13564065), (87, 4521355), (145, 2712813), (173, 2273745), (435, 904271), (519, 757915), (865, 454749), (2595, 151583), (5017, 78405), (5227, 75255), (15051, 26135), (15681, 25085)]