15387225

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 30533760

約数和(自身を除く): 15146535

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 53, 75, 79, 105, 147, 159, 175, 237, 245, 265, 371, 395, 525, 553, 735, 795, 1113, 1185, 1225, 1325, 1659, 1855, 1975, 2597, 2765, 3675, 3871, 3975, 4187, 5565, 5925, 7791, 8295, 9275, 11613, 12561, 12985, 13825, 19355, 20935, 27825, 29309, 38955, 41475, 58065, 62805, 64925, 87927, 96775, 104675, 146545, 194775, 205163, 290325, 314025, 439635, 615489, 732725, 1025815, 2198175, 3077445, 5129075, 15387225]

約数ペア:

[(1, 15387225), (3, 5129075), (5, 3077445), (7, 2198175), (15, 1025815), (21, 732725), (25, 615489), (35, 439635), (49, 314025), (53, 290325), (75, 205163), (79, 194775), (105, 146545), (147, 104675), (159, 96775), (175, 87927), (237, 64925), (245, 62805), (265, 58065), (371, 41475), (395, 38955), (525, 29309), (553, 27825), (735, 20935), (795, 19355), (1113, 13825), (1185, 12985), (1225, 12561), (1325, 11613), (1659, 9275), (1855, 8295), (1975, 7791), (2597, 5925), (2765, 5565), (3675, 4187), (3871, 3975)]