219097425

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 380868480

約数和(自身を除く): 161771055

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 157, 345, 471, 575, 785, 809, 1725, 2355, 2427, 3611, 3925, 4045, 10833, 11775, 12135, 18055, 18607, 20225, 54165, 55821, 60675, 90275, 93035, 127013, 270825, 279105, 381039, 465175, 635065, 1395525, 1905195, 2921299, 3175325, 8763897, 9525975, 14606495, 43819485, 73032475, 219097425]

約数ペア:

[(1, 219097425), (3, 73032475), (5, 43819485), (15, 14606495), (23, 9525975), (25, 8763897), (69, 3175325), (75, 2921299), (115, 1905195), (157, 1395525), (345, 635065), (471, 465175), (575, 381039), (785, 279105), (809, 270825), (1725, 127013), (2355, 93035), (2427, 90275), (3611, 60675), (3925, 55821), (4045, 54165), (10833, 20225), (11775, 18607), (12135, 18055)]