15661912815

素因数分解:

$3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{443}}^1\times {\mathrm{1019}}^1$

素因数の和:1733

約数の個数: 64

約数和(自身を含む): 28042329600

約数和(自身を除く): 12380416785

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 257, 443, 771, 1019, 1285, 1329, 2215, 2313, 3057, 3855, 3987, 5095, 6645, 6939, 9171, 11565, 11961, 15285, 19935, 27513, 34695, 45855, 59805, 113851, 137565, 261883, 341553, 451417, 569255, 785649, 1024659, 1309415, 1354251, 1707765, 2257085, 2356947, 3073977, 3928245, 4062753, 5123295, 6771255, 7070841, 11784735, 12188259, 15369885, 20313765, 35354205, 60941295, 116014169, 348042507, 580070845, 1044127521, 1740212535, 3132382563, 5220637605, 15661912815]

約数ペア:

[(1, 15661912815), (3, 5220637605), (5, 3132382563), (9, 1740212535), (15, 1044127521), (27, 580070845), (45, 348042507), (135, 116014169), (257, 60941295), (443, 35354205), (771, 20313765), (1019, 15369885), (1285, 12188259), (1329, 11784735), (2215, 7070841), (2313, 6771255), (3057, 5123295), (3855, 4062753), (3987, 3928245), (5095, 3073977), (6645, 2356947), (6939, 2257085), (9171, 1707765), (11565, 1354251), (11961, 1309415), (15285, 1024659), (19935, 785649), (27513, 569255), (34695, 451417), (45855, 341553), (59805, 261883), (113851, 137565)]