31542945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 61716480

約数和(自身を除く): 30173535

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 97, 105, 133, 163, 285, 291, 399, 485, 489, 665, 679, 815, 1141, 1455, 1843, 1995, 2037, 2445, 3097, 3395, 3423, 5529, 5705, 9215, 9291, 10185, 12901, 15485, 15811, 17115, 21679, 27645, 38703, 46455, 47433, 64505, 65037, 79055, 108395, 110677, 193515, 237165, 300409, 325185, 332031, 553385, 901227, 1502045, 1660155, 2102863, 4506135, 6308589, 10514315, 31542945]

約数ペア:

[(1, 31542945), (3, 10514315), (5, 6308589), (7, 4506135), (15, 2102863), (19, 1660155), (21, 1502045), (35, 901227), (57, 553385), (95, 332031), (97, 325185), (105, 300409), (133, 237165), (163, 193515), (285, 110677), (291, 108395), (399, 79055), (485, 65037), (489, 64505), (665, 47433), (679, 46455), (815, 38703), (1141, 27645), (1455, 21679), (1843, 17115), (1995, 15811), (2037, 15485), (2445, 12901), (3097, 10185), (3395, 9291), (3423, 9215), (5529, 5705)]