31180695

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 62705664

約数和(自身を除く): 31524969

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 53, 65, 91, 105, 159, 195, 265, 273, 371, 431, 455, 689, 795, 1113, 1293, 1365, 1855, 2067, 2155, 3017, 3445, 4823, 5565, 5603, 6465, 9051, 10335, 14469, 15085, 16809, 22843, 24115, 28015, 39221, 45255, 68529, 72345, 84045, 114215, 117663, 159901, 196105, 296959, 342645, 479703, 588315, 799505, 890877, 1484795, 2078713, 2398515, 4454385, 6236139, 10393565, 31180695]

約数ペア:

[(1, 31180695), (3, 10393565), (5, 6236139), (7, 4454385), (13, 2398515), (15, 2078713), (21, 1484795), (35, 890877), (39, 799505), (53, 588315), (65, 479703), (91, 342645), (105, 296959), (159, 196105), (195, 159901), (265, 117663), (273, 114215), (371, 84045), (431, 72345), (455, 68529), (689, 45255), (795, 39221), (1113, 28015), (1293, 24115), (1365, 22843), (1855, 16809), (2067, 15085), (2155, 14469), (3017, 10335), (3445, 9051), (4823, 6465), (5565, 5603)]