30639015

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 61995024

約数和(自身を除く): 31356009

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 121, 153, 165, 187, 255, 331, 363, 495, 561, 605, 765, 935, 993, 1089, 1655, 1683, 1815, 2057, 2805, 2979, 3641, 4965, 5445, 5627, 6171, 8415, 10285, 10923, 14895, 16881, 18205, 18513, 28135, 30855, 32769, 40051, 50643, 54615, 61897, 84405, 92565, 120153, 163845, 185691, 200255, 253215, 309485, 360459, 557073, 600765, 680867, 928455, 1802295, 2042601, 2785365, 3404335, 6127803, 10213005, 30639015]

約数ペア:

[(1, 30639015), (3, 10213005), (5, 6127803), (9, 3404335), (11, 2785365), (15, 2042601), (17, 1802295), (33, 928455), (45, 680867), (51, 600765), (55, 557073), (85, 360459), (99, 309485), (121, 253215), (153, 200255), (165, 185691), (187, 163845), (255, 120153), (331, 92565), (363, 84405), (495, 61897), (561, 54615), (605, 50643), (765, 40051), (935, 32769), (993, 30855), (1089, 28135), (1655, 18513), (1683, 18205), (1815, 16881), (2057, 14895), (2805, 10923), (2979, 10285), (3641, 8415), (4965, 6171), (5445, 5627)]