202131125

素因数分解:

$5^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 298806768

約数和(自身を除く): 96675643

約数列:

[1, 5, 7, 25, 35, 49, 61, 125, 175, 245, 305, 427, 541, 875, 1225, 1525, 2135, 2705, 2989, 3787, 6125, 7625, 10675, 13525, 14945, 18935, 26509, 33001, 53375, 67625, 74725, 94675, 132545, 165005, 231007, 373625, 473375, 662725, 825025, 1155035, 1617049, 3313625, 4125125, 5775175, 8085245, 28875875, 40426225, 202131125]

約数ペア:

[(1, 202131125), (5, 40426225), (7, 28875875), (25, 8085245), (35, 5775175), (49, 4125125), (61, 3313625), (125, 1617049), (175, 1155035), (245, 825025), (305, 662725), (427, 473375), (541, 373625), (875, 231007), (1225, 165005), (1525, 132545), (2135, 94675), (2705, 74725), (2989, 67625), (3787, 53375), (6125, 33001), (7625, 26509), (10675, 18935), (13525, 14945)]