72712449

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 115240320

約数和(自身を除く): 42527871

約数列:

[1, 3, 9, 19, 53, 57, 71, 113, 159, 171, 213, 339, 477, 639, 1007, 1017, 1349, 2147, 3021, 3763, 4047, 5989, 6441, 8023, 9063, 11289, 12141, 17967, 19323, 24069, 33867, 53901, 71497, 72207, 113791, 152437, 214491, 341373, 425219, 457311, 643473, 1024119, 1275657, 1371933, 3826971, 8079161, 24237483, 72712449]

約数ペア:

[(1, 72712449), (3, 24237483), (9, 8079161), (19, 3826971), (53, 1371933), (57, 1275657), (71, 1024119), (113, 643473), (159, 457311), (171, 425219), (213, 341373), (339, 214491), (477, 152437), (639, 113791), (1007, 72207), (1017, 71497), (1349, 53901), (2147, 33867), (3021, 24069), (3763, 19323), (4047, 17967), (5989, 12141), (6441, 11289), (8023, 9063)]