30389775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 24606705

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 71, 75, 195, 213, 325, 355, 439, 923, 975, 1065, 1317, 1775, 2195, 2769, 4615, 5325, 5707, 6585, 10975, 13845, 17121, 23075, 28535, 31169, 32925, 69225, 85605, 93507, 142675, 155845, 405197, 428025, 467535, 779225, 1215591, 2025985, 2337675, 6077955, 10129925, 30389775]

約数ペア:

[(1, 30389775), (3, 10129925), (5, 6077955), (13, 2337675), (15, 2025985), (25, 1215591), (39, 779225), (65, 467535), (71, 428025), (75, 405197), (195, 155845), (213, 142675), (325, 93507), (355, 85605), (439, 69225), (923, 32925), (975, 31169), (1065, 28535), (1317, 23075), (1775, 17121), (2195, 13845), (2769, 10975), (4615, 6585), (5325, 5707)]