291248139

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{11987}}^1$

素因数の和:12099

約数の個数: 32

約数和(自身を含む): 483356160

約数和(自身を除く): 192108021

約数列:

[1, 3, 7, 13, 21, 39, 89, 91, 267, 273, 623, 1157, 1869, 3471, 8099, 11987, 24297, 35961, 83909, 155831, 251727, 467493, 1066843, 1090817, 3200529, 3272451, 7467901, 13868959, 22403703, 41606877, 97082713, 291248139]

約数ペア:

[(1, 291248139), (3, 97082713), (7, 41606877), (13, 22403703), (21, 13868959), (39, 7467901), (89, 3272451), (91, 3200529), (267, 1090817), (273, 1066843), (623, 467493), (1157, 251727), (1869, 155831), (3471, 83909), (8099, 35961), (11987, 24297)]