30031965

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2557}}^1$

素因数の和:2603

約数の個数: 40

約数和(自身を含む): 55713240

約数和(自身を除く): 25681275

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 2349, 2557, 3915, 7671, 11745, 12785, 23013, 38355, 69039, 74153, 115065, 207117, 222459, 345195, 370765, 667377, 1035585, 1112295, 2002131, 3336885, 6006393, 10010655, 30031965]

約数ペア:

[(1, 30031965), (3, 10010655), (5, 6006393), (9, 3336885), (15, 2002131), (27, 1112295), (29, 1035585), (45, 667377), (81, 370765), (87, 345195), (135, 222459), (145, 207117), (261, 115065), (405, 74153), (435, 69039), (783, 38355), (1305, 23013), (2349, 12785), (2557, 11745), (3915, 7671)]