72601641

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 127395840

約数和(自身を除く): 54794199

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 131, 133, 171, 393, 399, 463, 917, 1179, 1197, 1389, 2489, 2751, 3241, 4167, 7467, 8253, 8797, 9723, 17423, 22401, 26391, 29169, 52269, 60653, 61579, 79173, 156807, 181959, 184737, 424571, 545877, 554211, 1152407, 1273713, 3457221, 3821139, 8066849, 10371663, 24200547, 72601641]

約数ペア:

[(1, 72601641), (3, 24200547), (7, 10371663), (9, 8066849), (19, 3821139), (21, 3457221), (57, 1273713), (63, 1152407), (131, 554211), (133, 545877), (171, 424571), (393, 184737), (399, 181959), (463, 156807), (917, 79173), (1179, 61579), (1197, 60653), (1389, 52269), (2489, 29169), (2751, 26391), (3241, 22401), (4167, 17423), (7467, 9723), (8253, 8797)]