218919675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7243}}^1$

素因数の和:7300

約数の個数: 48

約数和(自身を含む): 402418688

約数和(自身を除く): 183499013

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 775, 975, 1209, 2015, 2325, 6045, 7243, 10075, 21729, 30225, 36215, 94159, 108645, 181075, 224533, 282477, 470795, 543225, 673599, 1122665, 1412385, 2353975, 2918929, 3367995, 5613325, 7061925, 8756787, 14594645, 16839975, 43783935, 72973225, 218919675]

約数ペア:

[(1, 218919675), (3, 72973225), (5, 43783935), (13, 16839975), (15, 14594645), (25, 8756787), (31, 7061925), (39, 5613325), (65, 3367995), (75, 2918929), (93, 2353975), (155, 1412385), (195, 1122665), (325, 673599), (403, 543225), (465, 470795), (775, 282477), (975, 224533), (1209, 181075), (2015, 108645), (2325, 94159), (6045, 36215), (7243, 30225), (10075, 21729)]