218139675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{977}}^1$

素因数の和:1232

約数の個数: 48

約数和(自身を含む): 390495840

約数和(自身を除く): 172356165

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 229, 325, 687, 975, 977, 1145, 2931, 2977, 3435, 4885, 5725, 8931, 12701, 14655, 14885, 17175, 24425, 38103, 44655, 63505, 73275, 74425, 190515, 223275, 223733, 317525, 671199, 952575, 1118665, 2908529, 3355995, 5593325, 8725587, 14542645, 16779975, 43627935, 72713225, 218139675]

約数ペア:

[(1, 218139675), (3, 72713225), (5, 43627935), (13, 16779975), (15, 14542645), (25, 8725587), (39, 5593325), (65, 3355995), (75, 2908529), (195, 1118665), (229, 952575), (325, 671199), (687, 317525), (975, 223733), (977, 223275), (1145, 190515), (2931, 74425), (2977, 73275), (3435, 63505), (4885, 44655), (5725, 38103), (8931, 24425), (12701, 17175), (14655, 14885)]