3931965

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 7413120

約数和(自身を除く): 3481155

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 69, 87, 115, 131, 145, 207, 261, 345, 393, 435, 655, 667, 1035, 1179, 1305, 1965, 2001, 3013, 3335, 3799, 5895, 6003, 9039, 10005, 11397, 15065, 18995, 27117, 30015, 34191, 45195, 56985, 87377, 135585, 170955, 262131, 436885, 786393, 1310655, 3931965]

約数ペア:

[(1, 3931965), (3, 1310655), (5, 786393), (9, 436885), (15, 262131), (23, 170955), (29, 135585), (45, 87377), (69, 56985), (87, 45195), (115, 34191), (131, 30015), (145, 27117), (207, 18995), (261, 15065), (345, 11397), (393, 10005), (435, 9039), (655, 6003), (667, 5895), (1035, 3799), (1179, 3335), (1305, 3013), (1965, 2001)]