3980295

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 72

約数和(自身を含む): 8216208

約数和(自身を除く): 4235913

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 43, 45, 51, 55, 85, 99, 121, 129, 153, 165, 187, 215, 255, 363, 387, 473, 495, 561, 605, 645, 731, 765, 935, 1089, 1419, 1683, 1815, 1935, 2057, 2193, 2365, 2805, 3655, 4257, 5203, 5445, 6171, 6579, 7095, 8041, 8415, 10285, 10965, 15609, 18513, 21285, 24123, 26015, 30855, 32895, 40205, 46827, 72369, 78045, 88451, 92565, 120615, 234135, 265353, 361845, 442255, 796059, 1326765, 3980295]

約数ペア:

[(1, 3980295), (3, 1326765), (5, 796059), (9, 442255), (11, 361845), (15, 265353), (17, 234135), (33, 120615), (43, 92565), (45, 88451), (51, 78045), (55, 72369), (85, 46827), (99, 40205), (121, 32895), (129, 30855), (153, 26015), (165, 24123), (187, 21285), (215, 18513), (255, 15609), (363, 10965), (387, 10285), (473, 8415), (495, 8041), (561, 7095), (605, 6579), (645, 6171), (731, 5445), (765, 5203), (935, 4257), (1089, 3655), (1419, 2805), (1683, 2365), (1815, 2193), (1935, 2057)]