219223875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 396579456

約数和(自身を除く): 177355581

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 193, 195, 233, 325, 375, 579, 699, 965, 975, 1165, 1625, 2509, 2895, 3029, 3495, 4825, 4875, 5825, 7527, 9087, 12545, 14475, 15145, 17475, 24125, 29125, 37635, 44969, 45435, 62725, 72375, 75725, 87375, 134907, 188175, 224845, 227175, 313625, 378625, 584597, 674535, 940875, 1124225, 1135875, 1753791, 2922985, 3372675, 5621125, 8768955, 14614925, 16863375, 43844775, 73074625, 219223875]

約数ペア:

[(1, 219223875), (3, 73074625), (5, 43844775), (13, 16863375), (15, 14614925), (25, 8768955), (39, 5621125), (65, 3372675), (75, 2922985), (125, 1753791), (193, 1135875), (195, 1124225), (233, 940875), (325, 674535), (375, 584597), (579, 378625), (699, 313625), (965, 227175), (975, 224845), (1165, 188175), (1625, 134907), (2509, 87375), (2895, 75725), (3029, 72375), (3495, 62725), (4825, 45435), (4875, 44969), (5825, 37635), (7527, 29125), (9087, 24125), (12545, 17475), (14475, 15145)]