30256863

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 51480576

約数和(自身を除く): 21223713

約数列:

[1, 3, 7, 13, 21, 39, 49, 71, 91, 147, 213, 223, 273, 497, 637, 669, 923, 1491, 1561, 1911, 2769, 2899, 3479, 4683, 6461, 8697, 10437, 10927, 15833, 19383, 20293, 32781, 45227, 47499, 60879, 110831, 135681, 142051, 205829, 332493, 426153, 617487, 775817, 1440803, 2327451, 4322409, 10085621, 30256863]

約数ペア:

[(1, 30256863), (3, 10085621), (7, 4322409), (13, 2327451), (21, 1440803), (39, 775817), (49, 617487), (71, 426153), (91, 332493), (147, 205829), (213, 142051), (223, 135681), (273, 110831), (497, 60879), (637, 47499), (669, 45227), (923, 32781), (1491, 20293), (1561, 19383), (1911, 15833), (2769, 10927), (2899, 10437), (3479, 8697), (4683, 6461)]