257445225

素因数分解:

$3^2\times 5^2\times {\mathrm{379}}^1\times {\mathrm{3019}}^1$

素因数の和:3414

約数の個数: 36

約数和(自身を含む): 462482800

約数和(自身を除く): 205037575

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 379, 1137, 1895, 3019, 3411, 5685, 9057, 9475, 15095, 17055, 27171, 28425, 45285, 75475, 85275, 135855, 226425, 679275, 1144201, 3432603, 5721005, 10297809, 17163015, 28605025, 51489045, 85815075, 257445225]

約数ペア:

[(1, 257445225), (3, 85815075), (5, 51489045), (9, 28605025), (15, 17163015), (25, 10297809), (45, 5721005), (75, 3432603), (225, 1144201), (379, 679275), (1137, 226425), (1895, 135855), (3019, 85275), (3411, 75475), (5685, 45285), (9057, 28425), (9475, 27171), (15095, 17055)]