258757575

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{439}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 445209600

約数和(自身を除く): 186452025

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 271, 435, 439, 725, 813, 1317, 1355, 2175, 2195, 4065, 6585, 6775, 7859, 10975, 12731, 20325, 23577, 32925, 38193, 39295, 63655, 117885, 118969, 190965, 196475, 318275, 356907, 589425, 594845, 954825, 1784535, 2974225, 3450101, 8922675, 10350303, 17250505, 51751515, 86252525, 258757575]

約数ペア:

[(1, 258757575), (3, 86252525), (5, 51751515), (15, 17250505), (25, 10350303), (29, 8922675), (75, 3450101), (87, 2974225), (145, 1784535), (271, 954825), (435, 594845), (439, 589425), (725, 356907), (813, 318275), (1317, 196475), (1355, 190965), (2175, 118969), (2195, 117885), (4065, 63655), (6585, 39295), (6775, 38193), (7859, 32925), (10975, 23577), (12731, 20325)]