72423519

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 120871008

約数和(自身を除く): 48447489

約数列:

[1, 3, 7, 17, 21, 49, 51, 73, 119, 147, 219, 357, 397, 511, 833, 1191, 1241, 1533, 2499, 2779, 3577, 3723, 6749, 8337, 8687, 10731, 19453, 20247, 26061, 28981, 47243, 58359, 60809, 86943, 141729, 182427, 202867, 330701, 492677, 608601, 992103, 1420069, 1478031, 3448739, 4260207, 10346217, 24141173, 72423519]

約数ペア:

[(1, 72423519), (3, 24141173), (7, 10346217), (17, 4260207), (21, 3448739), (49, 1478031), (51, 1420069), (73, 992103), (119, 608601), (147, 492677), (219, 330701), (357, 202867), (397, 182427), (511, 141729), (833, 86943), (1191, 60809), (1241, 58359), (1533, 47243), (2499, 28981), (2779, 26061), (3577, 20247), (3723, 19453), (6749, 10731), (8337, 8687)]