727605

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 1422720

約数和(自身を除く): 695115

約数列:

[1, 3, 5, 9, 15, 19, 23, 37, 45, 57, 69, 95, 111, 115, 171, 185, 207, 285, 333, 345, 437, 555, 703, 851, 855, 1035, 1311, 1665, 2109, 2185, 2553, 3515, 3933, 4255, 6327, 6555, 7659, 10545, 12765, 16169, 19665, 31635, 38295, 48507, 80845, 145521, 242535, 727605]

約数ペア:

[(1, 727605), (3, 242535), (5, 145521), (9, 80845), (15, 48507), (19, 38295), (23, 31635), (37, 19665), (45, 16169), (57, 12765), (69, 10545), (95, 7659), (111, 6555), (115, 6327), (171, 4255), (185, 3933), (207, 3515), (285, 2553), (333, 2185), (345, 2109), (437, 1665), (555, 1311), (703, 1035), (851, 855)]