128583585

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1787}}^1$

素因数の和:1855

約数の個数: 64

約数和(自身を含む): 252322560

約数和(自身を除く): 123738975

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 41, 45, 65, 117, 123, 135, 195, 205, 351, 369, 533, 585, 615, 1107, 1599, 1755, 1787, 1845, 2665, 4797, 5361, 5535, 7995, 8935, 14391, 16083, 23231, 23985, 26805, 48249, 69693, 71955, 73267, 80415, 116155, 209079, 219801, 241245, 348465, 366335, 627237, 659403, 952471, 1045395, 1099005, 1978209, 2857413, 3136185, 3297015, 4762355, 8572239, 9891045, 14287065, 25716717, 42861195, 128583585]

約数ペア:

[(1, 128583585), (3, 42861195), (5, 25716717), (9, 14287065), (13, 9891045), (15, 8572239), (27, 4762355), (39, 3297015), (41, 3136185), (45, 2857413), (65, 1978209), (117, 1099005), (123, 1045395), (135, 952471), (195, 659403), (205, 627237), (351, 366335), (369, 348465), (533, 241245), (585, 219801), (615, 209079), (1107, 116155), (1599, 80415), (1755, 73267), (1787, 71955), (1845, 69693), (2665, 48249), (4797, 26805), (5361, 23985), (5535, 23231), (7995, 16083), (8935, 14391)]