31006979775

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{827}}^1\times {\mathrm{2347}}^1$

素因数の和:3261

約数の個数: 72

約数和(自身を含む): 56411282304

約数和(自身を除く): 25404302529

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 827, 1065, 1775, 2347, 2481, 3195, 4135, 5325, 7041, 7443, 11735, 12405, 15975, 20675, 21123, 35205, 37215, 58675, 58717, 62025, 105615, 166637, 176025, 176151, 186075, 293585, 499911, 528075, 528453, 833185, 880755, 1467925, 1499733, 1940969, 2499555, 2642265, 4165925, 4403775, 5822907, 7498665, 9704845, 12497775, 13211325, 17468721, 29114535, 37493325, 48524225, 87343605, 137808799, 145572675, 413426397, 436718025, 689043995, 1240279191, 2067131985, 3445219975, 6201395955, 10335659925, 31006979775]

約数ペア:

[(1, 31006979775), (3, 10335659925), (5, 6201395955), (9, 3445219975), (15, 2067131985), (25, 1240279191), (45, 689043995), (71, 436718025), (75, 413426397), (213, 145572675), (225, 137808799), (355, 87343605), (639, 48524225), (827, 37493325), (1065, 29114535), (1775, 17468721), (2347, 13211325), (2481, 12497775), (3195, 9704845), (4135, 7498665), (5325, 5822907), (7041, 4403775), (7443, 4165925), (11735, 2642265), (12405, 2499555), (15975, 1940969), (20675, 1499733), (21123, 1467925), (35205, 880755), (37215, 833185), (58675, 528453), (58717, 528075), (62025, 499911), (105615, 293585), (166637, 186075), (176025, 176151)]