74447775

素因数分解:

$3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2081}}^1$

素因数の和:2153

約数の個数: 48

約数和(自身を含む): 139410720

約数和(自身を除く): 64962945

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 135, 159, 225, 265, 477, 675, 795, 1325, 1431, 2081, 2385, 3975, 6243, 7155, 10405, 11925, 18729, 31215, 35775, 52025, 56187, 93645, 110293, 156075, 280935, 330879, 468225, 551465, 992637, 1404675, 1654395, 2757325, 2977911, 4963185, 8271975, 14889555, 24815925, 74447775]

約数ペア:

[(1, 74447775), (3, 24815925), (5, 14889555), (9, 8271975), (15, 4963185), (25, 2977911), (27, 2757325), (45, 1654395), (53, 1404675), (75, 992637), (135, 551465), (159, 468225), (225, 330879), (265, 280935), (477, 156075), (675, 110293), (795, 93645), (1325, 56187), (1431, 52025), (2081, 35775), (2385, 31215), (3975, 18729), (6243, 11925), (7155, 10405)]