65206875

素因数分解:

$3^1\times 5^4\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:525

約数の個数: 40

約数和(自身を含む): 110214720

約数和(自身を除く): 45007845

約数列:

[1, 3, 5, 15, 25, 75, 83, 125, 249, 375, 415, 419, 625, 1245, 1257, 1875, 2075, 2095, 6225, 6285, 10375, 10475, 31125, 31425, 34777, 51875, 52375, 104331, 155625, 157125, 173885, 261875, 521655, 785625, 869425, 2608275, 4347125, 13041375, 21735625, 65206875]

約数ペア:

[(1, 65206875), (3, 21735625), (5, 13041375), (15, 4347125), (25, 2608275), (75, 869425), (83, 785625), (125, 521655), (249, 261875), (375, 173885), (415, 157125), (419, 155625), (625, 104331), (1245, 52375), (1257, 51875), (1875, 34777), (2075, 31425), (2095, 31125), (6225, 10475), (6285, 10375)]