221704875

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:674

約数の個数: 96

約数和(自身を含む): 467251200

約数和(自身を除く): 245546325

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 47, 63, 75, 105, 125, 141, 175, 225, 235, 315, 329, 375, 423, 525, 599, 705, 875, 987, 1125, 1175, 1575, 1645, 1797, 2115, 2625, 2961, 2995, 3525, 4193, 4935, 5391, 5875, 7875, 8225, 8985, 10575, 12579, 14805, 14975, 17625, 20965, 24675, 26955, 28153, 37737, 41125, 44925, 52875, 62895, 74025, 74875, 84459, 104825, 123375, 134775, 140765, 188685, 197071, 224625, 253377, 314475, 370125, 422295, 524125, 591213, 673875, 703825, 943425, 985355, 1266885, 1572375, 1773639, 2111475, 2956065, 3519125, 4717125, 4926775, 6334425, 8868195, 10557375, 14780325, 24633875, 31672125, 44340975, 73901625, 221704875]

約数ペア:

[(1, 221704875), (3, 73901625), (5, 44340975), (7, 31672125), (9, 24633875), (15, 14780325), (21, 10557375), (25, 8868195), (35, 6334425), (45, 4926775), (47, 4717125), (63, 3519125), (75, 2956065), (105, 2111475), (125, 1773639), (141, 1572375), (175, 1266885), (225, 985355), (235, 943425), (315, 703825), (329, 673875), (375, 591213), (423, 524125), (525, 422295), (599, 370125), (705, 314475), (875, 253377), (987, 224625), (1125, 197071), (1175, 188685), (1575, 140765), (1645, 134775), (1797, 123375), (2115, 104825), (2625, 84459), (2961, 74875), (2995, 74025), (3525, 62895), (4193, 52875), (4935, 44925), (5391, 41125), (5875, 37737), (7875, 28153), (8225, 26955), (8985, 24675), (10575, 20965), (12579, 17625), (14805, 14975)]