71704815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 142636032

約数和(自身を除く): 70931217

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 131, 195, 273, 393, 401, 455, 655, 917, 1203, 1365, 1703, 1965, 2005, 2751, 2807, 4585, 5109, 5213, 6015, 8421, 8515, 11921, 13755, 14035, 15639, 25545, 26065, 35763, 36491, 42105, 52531, 59605, 78195, 109473, 157593, 178815, 182455, 262655, 367717, 547365, 682903, 787965, 1103151, 1838585, 2048709, 3414515, 4780321, 5515755, 10243545, 14340963, 23901605, 71704815]

約数ペア:

[(1, 71704815), (3, 23901605), (5, 14340963), (7, 10243545), (13, 5515755), (15, 4780321), (21, 3414515), (35, 2048709), (39, 1838585), (65, 1103151), (91, 787965), (105, 682903), (131, 547365), (195, 367717), (273, 262655), (393, 182455), (401, 178815), (455, 157593), (655, 109473), (917, 78195), (1203, 59605), (1365, 52531), (1703, 42105), (1965, 36491), (2005, 35763), (2751, 26065), (2807, 25545), (4585, 15639), (5109, 14035), (5213, 13755), (6015, 11921), (8421, 8515)]