28119525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2819}}^1$

素因数の和:2858

約数の個数: 48

約数和(自身を含む): 55948800

約数和(自身を除く): 27829275

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 2819, 3325, 8457, 9975, 14095, 19733, 42285, 53561, 59199, 70475, 98665, 160683, 211425, 267805, 295995, 374927, 493325, 803415, 1124781, 1339025, 1479975, 1874635, 4017075, 5623905, 9373175, 28119525]

約数ペア:

[(1, 28119525), (3, 9373175), (5, 5623905), (7, 4017075), (15, 1874635), (19, 1479975), (21, 1339025), (25, 1124781), (35, 803415), (57, 493325), (75, 374927), (95, 295995), (105, 267805), (133, 211425), (175, 160683), (285, 98665), (399, 70475), (475, 59199), (525, 53561), (665, 42285), (1425, 19733), (1995, 14095), (2819, 9975), (3325, 8457)]