27938905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 10381223

約数列:

[1, 5, 17, 23, 31, 85, 115, 155, 391, 461, 527, 713, 1955, 2305, 2635, 3565, 7837, 10603, 12121, 14291, 39185, 53015, 60605, 71455, 180251, 242947, 328693, 901255, 1214735, 1643465, 5587781, 27938905]

約数ペア:

[(1, 27938905), (5, 5587781), (17, 1643465), (23, 1214735), (31, 901255), (85, 328693), (115, 242947), (155, 180251), (391, 71455), (461, 60605), (527, 53015), (713, 39185), (1955, 14291), (2305, 12121), (2635, 10603), (3565, 7837)]