31981635

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 67953600

約数和(自身を除く): 35971965

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 45, 63, 81, 87, 105, 135, 145, 189, 203, 261, 315, 389, 405, 435, 567, 609, 783, 945, 1015, 1167, 1305, 1827, 1945, 2349, 2723, 2835, 3045, 3501, 3915, 5481, 5835, 8169, 9135, 10503, 11281, 11745, 13615, 16443, 17505, 24507, 27405, 31509, 33843, 40845, 52515, 56405, 73521, 78967, 82215, 101529, 122535, 157545, 169215, 220563, 236901, 304587, 367605, 394835, 507645, 710703, 913761, 1102815, 1184505, 1522935, 2132109, 3553515, 4568805, 6396327, 10660545, 31981635]

約数ペア:

[(1, 31981635), (3, 10660545), (5, 6396327), (7, 4568805), (9, 3553515), (15, 2132109), (21, 1522935), (27, 1184505), (29, 1102815), (35, 913761), (45, 710703), (63, 507645), (81, 394835), (87, 367605), (105, 304587), (135, 236901), (145, 220563), (189, 169215), (203, 157545), (261, 122535), (315, 101529), (389, 82215), (405, 78967), (435, 73521), (567, 56405), (609, 52515), (783, 40845), (945, 33843), (1015, 31509), (1167, 27405), (1305, 24507), (1827, 17505), (1945, 16443), (2349, 13615), (2723, 11745), (2835, 11281), (3045, 10503), (3501, 9135), (3915, 8169), (5481, 5835)]