28877625

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 62949120

約数和(自身を除く): 34071495

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 63, 75, 95, 105, 125, 133, 171, 175, 193, 225, 285, 315, 375, 399, 475, 525, 579, 665, 855, 875, 965, 1125, 1197, 1351, 1425, 1575, 1737, 1995, 2375, 2625, 2895, 3325, 3667, 4053, 4275, 4825, 5985, 6755, 7125, 7875, 8685, 9975, 11001, 12159, 14475, 16625, 18335, 20265, 21375, 24125, 25669, 29925, 33003, 33775, 43425, 49875, 55005, 60795, 72375, 77007, 91675, 101325, 128345, 149625, 165015, 168875, 217125, 231021, 275025, 303975, 385035, 458375, 506625, 641725, 825075, 1155105, 1375125, 1519875, 1925175, 3208625, 4125375, 5775525, 9625875, 28877625]

約数ペア:

[(1, 28877625), (3, 9625875), (5, 5775525), (7, 4125375), (9, 3208625), (15, 1925175), (19, 1519875), (21, 1375125), (25, 1155105), (35, 825075), (45, 641725), (57, 506625), (63, 458375), (75, 385035), (95, 303975), (105, 275025), (125, 231021), (133, 217125), (171, 168875), (175, 165015), (193, 149625), (225, 128345), (285, 101325), (315, 91675), (375, 77007), (399, 72375), (475, 60795), (525, 55005), (579, 49875), (665, 43425), (855, 33775), (875, 33003), (965, 29925), (1125, 25669), (1197, 24125), (1351, 21375), (1425, 20265), (1575, 18335), (1737, 16625), (1995, 14475), (2375, 12159), (2625, 11001), (2895, 9975), (3325, 8685), (3667, 7875), (4053, 7125), (4275, 6755), (4825, 5985)]