25400115

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 49956480

約数和(自身を除く): 24556365

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 41, 45, 65, 117, 123, 135, 195, 205, 351, 353, 369, 533, 585, 615, 1059, 1107, 1599, 1755, 1765, 1845, 2665, 3177, 4589, 4797, 5295, 5535, 7995, 9531, 13767, 14391, 14473, 15885, 22945, 23985, 41301, 43419, 47655, 68835, 71955, 72365, 123903, 130257, 188149, 206505, 217095, 390771, 564447, 619515, 651285, 940745, 1693341, 1953855, 2822235, 5080023, 8466705, 25400115]

約数ペア:

[(1, 25400115), (3, 8466705), (5, 5080023), (9, 2822235), (13, 1953855), (15, 1693341), (27, 940745), (39, 651285), (41, 619515), (45, 564447), (65, 390771), (117, 217095), (123, 206505), (135, 188149), (195, 130257), (205, 123903), (351, 72365), (353, 71955), (369, 68835), (533, 47655), (585, 43419), (615, 41301), (1059, 23985), (1107, 22945), (1599, 15885), (1755, 14473), (1765, 14391), (1845, 13767), (2665, 9531), (3177, 7995), (4589, 5535), (4797, 5295)]