71918145

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1023

約数の個数: 64

約数和(自身を含む): 141039360

約数和(自身を除く): 69121215

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 43, 45, 65, 117, 129, 135, 195, 215, 351, 387, 559, 585, 645, 953, 1161, 1677, 1755, 1935, 2795, 2859, 4765, 5031, 5805, 8385, 8577, 12389, 14295, 15093, 25155, 25731, 37167, 40979, 42885, 61945, 75465, 111501, 122937, 128655, 185835, 204895, 334503, 368811, 532727, 557505, 614685, 1106433, 1598181, 1672515, 1844055, 2663635, 4794543, 5532165, 7990905, 14383629, 23972715, 71918145]

約数ペア:

[(1, 71918145), (3, 23972715), (5, 14383629), (9, 7990905), (13, 5532165), (15, 4794543), (27, 2663635), (39, 1844055), (43, 1672515), (45, 1598181), (65, 1106433), (117, 614685), (129, 557505), (135, 532727), (195, 368811), (215, 334503), (351, 204895), (387, 185835), (559, 128655), (585, 122937), (645, 111501), (953, 75465), (1161, 61945), (1677, 42885), (1755, 40979), (1935, 37167), (2795, 25731), (2859, 25155), (4765, 15093), (5031, 14295), (5805, 12389), (8385, 8577)]