72137499

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{641}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 115375104

約数和(自身を除く): 43237605

約数列:

[1, 3, 7, 21, 23, 69, 161, 233, 483, 641, 699, 1631, 1923, 4487, 4893, 5359, 13461, 14743, 16077, 37513, 44229, 103201, 112539, 149353, 309603, 448059, 1045471, 3136413, 3435119, 10305357, 24045833, 72137499]

約数ペア:

[(1, 72137499), (3, 24045833), (7, 10305357), (21, 3435119), (23, 3136413), (69, 1045471), (161, 448059), (233, 309603), (483, 149353), (641, 112539), (699, 103201), (1631, 44229), (1923, 37513), (4487, 16077), (4893, 14743), (5359, 13461)]