51001275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 96997264

約数和(自身を除く): 45995989

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 181, 195, 221, 255, 289, 325, 425, 543, 663, 867, 905, 975, 1105, 1275, 1445, 2353, 2715, 3077, 3315, 3757, 4335, 4525, 5525, 7059, 7225, 9231, 11271, 11765, 13575, 15385, 16575, 18785, 21675, 35295, 40001, 46155, 52309, 56355, 58825, 76925, 93925, 120003, 156927, 176475, 200005, 230775, 261545, 281775, 600015, 680017, 784635, 1000025, 1307725, 2040051, 3000075, 3400085, 3923175, 10200255, 17000425, 51001275]

約数ペア:

[(1, 51001275), (3, 17000425), (5, 10200255), (13, 3923175), (15, 3400085), (17, 3000075), (25, 2040051), (39, 1307725), (51, 1000025), (65, 784635), (75, 680017), (85, 600015), (181, 281775), (195, 261545), (221, 230775), (255, 200005), (289, 176475), (325, 156927), (425, 120003), (543, 93925), (663, 76925), (867, 58825), (905, 56355), (975, 52309), (1105, 46155), (1275, 40001), (1445, 35295), (2353, 21675), (2715, 18785), (3077, 16575), (3315, 15385), (3757, 13575), (4335, 11765), (4525, 11271), (5525, 9231), (7059, 7225)]