21752804025

素因数分解:

$3^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{449}}^1\times {\mathrm{1093}}^1$

素因数の和:1755

約数の個数: 72

約数和(自身を含む): 39282586200

約数和(自身を除く): 17529782175

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 197, 225, 449, 591, 985, 1093, 1347, 1773, 2245, 2955, 3279, 4041, 4925, 5465, 6735, 8865, 9837, 11225, 14775, 16395, 20205, 27325, 33675, 44325, 49185, 81975, 88453, 101025, 215321, 245925, 265359, 442265, 490757, 645963, 796077, 1076605, 1326795, 1472271, 1937889, 2211325, 2453785, 3229815, 3980385, 4416813, 5383025, 6633975, 7361355, 9689445, 12268925, 16149075, 19901925, 22084065, 36806775, 48447225, 96679129, 110420325, 290037387, 483395645, 870112161, 1450186935, 2416978225, 4350560805, 7250934675, 21752804025]

約数ペア:

[(1, 21752804025), (3, 7250934675), (5, 4350560805), (9, 2416978225), (15, 1450186935), (25, 870112161), (45, 483395645), (75, 290037387), (197, 110420325), (225, 96679129), (449, 48447225), (591, 36806775), (985, 22084065), (1093, 19901925), (1347, 16149075), (1773, 12268925), (2245, 9689445), (2955, 7361355), (3279, 6633975), (4041, 5383025), (4925, 4416813), (5465, 3980385), (6735, 3229815), (8865, 2453785), (9837, 2211325), (11225, 1937889), (14775, 1472271), (16395, 1326795), (20205, 1076605), (27325, 796077), (33675, 645963), (44325, 490757), (49185, 442265), (81975, 265359), (88453, 245925), (101025, 215321)]