13407615

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 26378352

約数和(自身を除く): 12970737

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 43, 45, 65, 117, 123, 129, 169, 195, 205, 215, 369, 387, 507, 533, 559, 585, 615, 645, 845, 1521, 1599, 1677, 1763, 1845, 1935, 2535, 2665, 2795, 4797, 5031, 5289, 6929, 7267, 7605, 7995, 8385, 8815, 15867, 20787, 21801, 22919, 23985, 25155, 26445, 34645, 36335, 62361, 65403, 68757, 79335, 103935, 109005, 114595, 206271, 297947, 311805, 327015, 343785, 893841, 1031355, 1489735, 2681523, 4469205, 13407615]

約数ペア:

[(1, 13407615), (3, 4469205), (5, 2681523), (9, 1489735), (13, 1031355), (15, 893841), (39, 343785), (41, 327015), (43, 311805), (45, 297947), (65, 206271), (117, 114595), (123, 109005), (129, 103935), (169, 79335), (195, 68757), (205, 65403), (215, 62361), (369, 36335), (387, 34645), (507, 26445), (533, 25155), (559, 23985), (585, 22919), (615, 21801), (645, 20787), (845, 15867), (1521, 8815), (1599, 8385), (1677, 7995), (1763, 7605), (1845, 7267), (1935, 6929), (2535, 5289), (2665, 5031), (2795, 4797)]