201519915

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{983}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 328734720

約数和(自身を除く): 127214805

約数列:

[1, 3, 5, 15, 79, 173, 237, 395, 519, 865, 983, 1185, 2595, 2949, 4915, 13667, 14745, 41001, 68335, 77657, 170059, 205005, 232971, 388285, 510177, 850295, 1164855, 2550885, 13434661, 40303983, 67173305, 201519915]

約数ペア:

[(1, 201519915), (3, 67173305), (5, 40303983), (15, 13434661), (79, 2550885), (173, 1164855), (237, 850295), (395, 510177), (519, 388285), (865, 232971), (983, 205005), (1185, 170059), (2595, 77657), (2949, 68335), (4915, 41001), (13667, 14745)]