31048965

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 56833920

約数和(自身を除く): 25784955

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 131, 207, 229, 345, 393, 655, 687, 1035, 1145, 1179, 1965, 2061, 3013, 3435, 5267, 5895, 9039, 10305, 15065, 15801, 26335, 27117, 29999, 45195, 47403, 79005, 89997, 135585, 149995, 237015, 269991, 449985, 689977, 1349955, 2069931, 3449885, 6209793, 10349655, 31048965]

約数ペア:

[(1, 31048965), (3, 10349655), (5, 6209793), (9, 3449885), (15, 2069931), (23, 1349955), (45, 689977), (69, 449985), (115, 269991), (131, 237015), (207, 149995), (229, 135585), (345, 89997), (393, 79005), (655, 47403), (687, 45195), (1035, 29999), (1145, 27117), (1179, 26335), (1965, 15801), (2061, 15065), (3013, 10305), (3435, 9039), (5267, 5895)]