2106225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 4410432

約数和(自身を除く): 2304207

約数列:

[1, 3, 5, 9, 11, 15, 23, 25, 33, 37, 45, 55, 69, 75, 99, 111, 115, 165, 185, 207, 225, 253, 275, 333, 345, 407, 495, 555, 575, 759, 825, 851, 925, 1035, 1221, 1265, 1665, 1725, 2035, 2277, 2475, 2553, 2775, 3663, 3795, 4255, 5175, 6105, 6325, 7659, 8325, 9361, 10175, 11385, 12765, 18315, 18975, 21275, 28083, 30525, 38295, 46805, 56925, 63825, 84249, 91575, 140415, 191475, 234025, 421245, 702075, 2106225]

約数ペア:

[(1, 2106225), (3, 702075), (5, 421245), (9, 234025), (11, 191475), (15, 140415), (23, 91575), (25, 84249), (33, 63825), (37, 56925), (45, 46805), (55, 38295), (69, 30525), (75, 28083), (99, 21275), (111, 18975), (115, 18315), (165, 12765), (185, 11385), (207, 10175), (225, 9361), (253, 8325), (275, 7659), (333, 6325), (345, 6105), (407, 5175), (495, 4255), (555, 3795), (575, 3663), (759, 2775), (825, 2553), (851, 2475), (925, 2277), (1035, 2035), (1221, 1725), (1265, 1665)]