78822081

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1723}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 135547776

約数和(自身を除く): 56725695

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 299, 391, 663, 897, 1173, 1723, 1989, 2691, 3519, 5083, 5169, 15249, 15507, 22399, 29291, 39629, 45747, 67197, 87873, 118887, 201591, 263619, 356661, 380783, 515177, 673693, 1142349, 1545531, 2021079, 3427047, 4636593, 6063237, 8758009, 26274027, 78822081]

約数ペア:

[(1, 78822081), (3, 26274027), (9, 8758009), (13, 6063237), (17, 4636593), (23, 3427047), (39, 2021079), (51, 1545531), (69, 1142349), (117, 673693), (153, 515177), (207, 380783), (221, 356661), (299, 263619), (391, 201591), (663, 118887), (897, 87873), (1173, 67197), (1723, 45747), (1989, 39629), (2691, 29291), (3519, 22399), (5083, 15507), (5169, 15249)]