16525665

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 32373432

約数和(自身を除く): 15847767

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 45, 53, 65, 117, 123, 159, 169, 195, 205, 265, 369, 477, 507, 533, 585, 615, 689, 795, 845, 1521, 1599, 1845, 2067, 2173, 2385, 2535, 2665, 3445, 4797, 6201, 6519, 6929, 7605, 7995, 8957, 10335, 10865, 19557, 20787, 23985, 26871, 28249, 31005, 32595, 34645, 44785, 62361, 80613, 84747, 97785, 103935, 134355, 141245, 254241, 311805, 367237, 403065, 423735, 1101711, 1271205, 1836185, 3305133, 5508555, 16525665]

約数ペア:

[(1, 16525665), (3, 5508555), (5, 3305133), (9, 1836185), (13, 1271205), (15, 1101711), (39, 423735), (41, 403065), (45, 367237), (53, 311805), (65, 254241), (117, 141245), (123, 134355), (159, 103935), (169, 97785), (195, 84747), (205, 80613), (265, 62361), (369, 44785), (477, 34645), (507, 32595), (533, 31005), (585, 28249), (615, 26871), (689, 23985), (795, 20787), (845, 19557), (1521, 10865), (1599, 10335), (1845, 8957), (2067, 7995), (2173, 7605), (2385, 6929), (2535, 6519), (2665, 6201), (3445, 4797)]