991532475

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^3$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 1936632000

約数和(自身を除く): 945099525

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 37, 45, 75, 87, 111, 135, 145, 185, 225, 261, 333, 435, 555, 675, 725, 783, 925, 999, 1073, 1305, 1369, 1665, 2175, 2775, 3219, 3915, 4107, 4995, 5365, 6525, 6845, 8325, 9657, 12321, 16095, 19575, 20535, 24975, 26825, 28971, 34225, 36963, 39701, 48285, 50653, 61605, 80475, 102675, 119103, 144855, 151959, 184815, 198505, 241425, 253265, 308025, 357309, 455877, 595515, 724275, 759795, 924075, 992525, 1071927, 1266325, 1367631, 1468937, 1786545, 2279385, 2977575, 3798975, 4406811, 5359635, 6838155, 7344685, 8932725, 11396925, 13220433, 22034055, 26798175, 34190775, 36723425, 39661299, 66102165, 110170275, 198306495, 330510825, 991532475]

約数ペア:

[(1, 991532475), (3, 330510825), (5, 198306495), (9, 110170275), (15, 66102165), (25, 39661299), (27, 36723425), (29, 34190775), (37, 26798175), (45, 22034055), (75, 13220433), (87, 11396925), (111, 8932725), (135, 7344685), (145, 6838155), (185, 5359635), (225, 4406811), (261, 3798975), (333, 2977575), (435, 2279385), (555, 1786545), (675, 1468937), (725, 1367631), (783, 1266325), (925, 1071927), (999, 992525), (1073, 924075), (1305, 759795), (1369, 724275), (1665, 595515), (2175, 455877), (2775, 357309), (3219, 308025), (3915, 253265), (4107, 241425), (4995, 198505), (5365, 184815), (6525, 151959), (6845, 144855), (8325, 119103), (9657, 102675), (12321, 80475), (16095, 61605), (19575, 50653), (20535, 48285), (24975, 39701), (26825, 36963), (28971, 34225)]