81869385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1163}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 149010624

約数和(自身を除く): 67141239

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 361, 741, 1083, 1163, 1235, 1805, 3489, 3705, 4693, 5415, 5815, 14079, 15119, 17445, 22097, 23465, 45357, 66291, 70395, 75595, 110485, 226785, 287261, 331455, 419843, 861783, 1259529, 1436305, 2099215, 4308915, 5457959, 6297645, 16373877, 27289795, 81869385]

約数ペア:

[(1, 81869385), (3, 27289795), (5, 16373877), (13, 6297645), (15, 5457959), (19, 4308915), (39, 2099215), (57, 1436305), (65, 1259529), (95, 861783), (195, 419843), (247, 331455), (285, 287261), (361, 226785), (741, 110485), (1083, 75595), (1163, 70395), (1235, 66291), (1805, 45357), (3489, 23465), (3705, 22097), (4693, 17445), (5415, 15119), (5815, 14079)]