71890965

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1789}}^1$

素因数の和:1866

約数の個数: 48

約数和(自身を含む): 134035200

約数和(自身を除く): 62144235

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 423, 705, 855, 893, 1789, 2115, 2679, 4465, 5367, 8037, 8945, 13395, 16101, 26835, 33991, 40185, 80505, 84083, 101973, 169955, 252249, 305919, 420415, 509865, 756747, 1261245, 1529595, 1597577, 3783735, 4792731, 7987885, 14378193, 23963655, 71890965]

約数ペア:

[(1, 71890965), (3, 23963655), (5, 14378193), (9, 7987885), (15, 4792731), (19, 3783735), (45, 1597577), (47, 1529595), (57, 1261245), (95, 756747), (141, 509865), (171, 420415), (235, 305919), (285, 252249), (423, 169955), (705, 101973), (855, 84083), (893, 80505), (1789, 40185), (2115, 33991), (2679, 26835), (4465, 16101), (5367, 13395), (8037, 8945)]