621815025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{5851}}^1$

素因数の和:5986

約数の個数: 48

約数和(自身を含む): 1117497920

約数和(自身を除く): 495682895

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 109, 195, 325, 327, 545, 975, 1417, 1635, 2725, 4251, 5851, 7085, 8175, 17553, 21255, 29255, 35425, 76063, 87765, 106275, 146275, 228189, 380315, 438825, 637759, 1140945, 1901575, 1913277, 3188795, 5704725, 8290867, 9566385, 15943975, 24872601, 41454335, 47831925, 124363005, 207271675, 621815025]

約数ペア:

[(1, 621815025), (3, 207271675), (5, 124363005), (13, 47831925), (15, 41454335), (25, 24872601), (39, 15943975), (65, 9566385), (75, 8290867), (109, 5704725), (195, 3188795), (325, 1913277), (327, 1901575), (545, 1140945), (975, 637759), (1417, 438825), (1635, 380315), (2725, 228189), (4251, 146275), (5851, 106275), (7085, 87765), (8175, 76063), (17553, 35425), (21255, 29255)]