156721011

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 239055264

約数和(自身を除く): 82334253

約数列:

[1, 3, 17, 23, 37, 51, 69, 111, 157, 391, 471, 529, 629, 851, 1173, 1587, 1887, 2553, 2669, 3611, 5809, 8007, 8993, 10833, 14467, 17427, 19573, 26979, 43401, 58719, 61387, 83053, 98753, 133607, 184161, 249159, 296259, 332741, 400821, 998223, 1411901, 2271319, 3072961, 4235703, 6813957, 9218883, 52240337, 156721011]

約数ペア:

[(1, 156721011), (3, 52240337), (17, 9218883), (23, 6813957), (37, 4235703), (51, 3072961), (69, 2271319), (111, 1411901), (157, 998223), (391, 400821), (471, 332741), (529, 296259), (629, 249159), (851, 184161), (1173, 133607), (1587, 98753), (1887, 83053), (2553, 61387), (2669, 58719), (3611, 43401), (5809, 26979), (8007, 19573), (8993, 17427), (10833, 14467)]