67640925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{503}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 122992128

約数和(自身を除く): 55351203

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 163, 165, 275, 489, 503, 815, 825, 1509, 1793, 2445, 2515, 4075, 5379, 5533, 7545, 8965, 12225, 12575, 16599, 26895, 27665, 37725, 44825, 81989, 82995, 134475, 138325, 245967, 409945, 414975, 901879, 1229835, 2049725, 2705637, 4509395, 6149175, 13528185, 22546975, 67640925]

約数ペア:

[(1, 67640925), (3, 22546975), (5, 13528185), (11, 6149175), (15, 4509395), (25, 2705637), (33, 2049725), (55, 1229835), (75, 901879), (163, 414975), (165, 409945), (275, 245967), (489, 138325), (503, 134475), (815, 82995), (825, 81989), (1509, 44825), (1793, 37725), (2445, 27665), (2515, 26895), (4075, 16599), (5379, 12575), (5533, 12225), (7545, 8965)]