31200585

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^2$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 55927872

約数和(自身を除く): 24727287

約数列:

[1, 3, 5, 13, 15, 39, 43, 61, 65, 129, 183, 195, 215, 305, 559, 645, 793, 915, 1677, 2379, 2623, 2795, 3721, 3965, 7869, 8385, 11163, 11895, 13115, 18605, 34099, 39345, 48373, 55815, 102297, 145119, 160003, 170495, 241865, 480009, 511485, 725595, 800015, 2080039, 2400045, 6240117, 10400195, 31200585]

約数ペア:

[(1, 31200585), (3, 10400195), (5, 6240117), (13, 2400045), (15, 2080039), (39, 800015), (43, 725595), (61, 511485), (65, 480009), (129, 241865), (183, 170495), (195, 160003), (215, 145119), (305, 102297), (559, 55815), (645, 48373), (793, 39345), (915, 34099), (1677, 18605), (2379, 13115), (2623, 11895), (2795, 11163), (3721, 8385), (3965, 7869)]