157057131

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2969}}^1$

素因数の和:3219

約数の個数: 32

約数和(自身を含む): 262310400

約数和(自身を除く): 105253269

約数列:

[1, 3, 7, 11, 21, 33, 77, 229, 231, 687, 1603, 2519, 2969, 4809, 7557, 8907, 17633, 20783, 32659, 52899, 62349, 97977, 228613, 679901, 685839, 2039703, 4759307, 7478911, 14277921, 22436733, 52352377, 157057131]

約数ペア:

[(1, 157057131), (3, 52352377), (7, 22436733), (11, 14277921), (21, 7478911), (33, 4759307), (77, 2039703), (229, 685839), (231, 679901), (687, 228613), (1603, 97977), (2519, 62349), (2969, 52899), (4809, 32659), (7557, 20783), (8907, 17633)]