78279705

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 159629184

約数和(自身を除く): 81349479

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 131, 147, 245, 271, 315, 393, 441, 655, 735, 813, 917, 1179, 1355, 1897, 1965, 2205, 2439, 2751, 4065, 4585, 5691, 5895, 6419, 8253, 9485, 12195, 13279, 13755, 17073, 19257, 28455, 32095, 35501, 39837, 41265, 57771, 66395, 85365, 96285, 106503, 119511, 177505, 199185, 248507, 288855, 319509, 532515, 597555, 745521, 1242535, 1597545, 1739549, 2236563, 3727605, 5218647, 8697745, 11182815, 15655941, 26093235, 78279705]

約数ペア:

[(1, 78279705), (3, 26093235), (5, 15655941), (7, 11182815), (9, 8697745), (15, 5218647), (21, 3727605), (35, 2236563), (45, 1739549), (49, 1597545), (63, 1242535), (105, 745521), (131, 597555), (147, 532515), (245, 319509), (271, 288855), (315, 248507), (393, 199185), (441, 177505), (655, 119511), (735, 106503), (813, 96285), (917, 85365), (1179, 66395), (1355, 57771), (1897, 41265), (1965, 39837), (2205, 35501), (2439, 32095), (2751, 28455), (4065, 19257), (4585, 17073), (5691, 13755), (5895, 13279), (6419, 12195), (8253, 9485)]