30871875

素因数分解:

$3^1\times 5^5\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 53434080

約数和(自身を除く): 22562205

約数列:

[1, 3, 5, 15, 25, 37, 75, 89, 111, 125, 185, 267, 375, 445, 555, 625, 925, 1335, 1875, 2225, 2775, 3125, 3293, 4625, 6675, 9375, 9879, 11125, 13875, 16465, 23125, 33375, 49395, 55625, 69375, 82325, 115625, 166875, 246975, 278125, 346875, 411625, 834375, 1234875, 2058125, 6174375, 10290625, 30871875]

約数ペア:

[(1, 30871875), (3, 10290625), (5, 6174375), (15, 2058125), (25, 1234875), (37, 834375), (75, 411625), (89, 346875), (111, 278125), (125, 246975), (185, 166875), (267, 115625), (375, 82325), (445, 69375), (555, 55625), (625, 49395), (925, 33375), (1335, 23125), (1875, 16465), (2225, 13875), (2775, 11125), (3125, 9879), (3293, 9375), (4625, 6675)]