668860425

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{48733}}^1$

素因数の和:48810

約数の個数: 36

約数和(自身を含む): 1217667724

約数和(自身を除く): 548807299

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 183, 225, 305, 549, 915, 1525, 2745, 4575, 13725, 48733, 146199, 243665, 438597, 730995, 1218325, 2192985, 2972713, 3654975, 8918139, 10964925, 14863565, 26754417, 44590695, 74317825, 133772085, 222953475, 668860425]

約数ペア:

[(1, 668860425), (3, 222953475), (5, 133772085), (9, 74317825), (15, 44590695), (25, 26754417), (45, 14863565), (61, 10964925), (75, 8918139), (183, 3654975), (225, 2972713), (305, 2192985), (549, 1218325), (915, 730995), (1525, 438597), (2745, 243665), (4575, 146199), (13725, 48733)]