1313991081

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{28723}}^1$

素因数の和:28782

約数の個数: 48

約数和(自身を含む): 2258395776

約数和(自身を除く): 944404695

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 299, 391, 663, 897, 1173, 1989, 2691, 3519, 5083, 15249, 28723, 45747, 86169, 258507, 373399, 488291, 660629, 1120197, 1464873, 1981887, 3360591, 4394619, 5945661, 6347783, 8588177, 11230693, 19043349, 25764531, 33692079, 57130047, 77293593, 101076237, 145999009, 437997027, 1313991081]

約数ペア:

[(1, 1313991081), (3, 437997027), (9, 145999009), (13, 101076237), (17, 77293593), (23, 57130047), (39, 33692079), (51, 25764531), (69, 19043349), (117, 11230693), (153, 8588177), (207, 6347783), (221, 5945661), (299, 4394619), (391, 3360591), (663, 1981887), (897, 1464873), (1173, 1120197), (1989, 660629), (2691, 488291), (3519, 373399), (5083, 258507), (15249, 86169), (28723, 45747)]