420169815

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7723}}^1$

素因数の和:7781

約数の個数: 64

約数和(自身を含む): 830484480

約数和(自身を除く): 410314665

約数列:

[1, 3, 5, 9, 13, 15, 27, 31, 39, 45, 65, 93, 117, 135, 155, 195, 279, 351, 403, 465, 585, 837, 1209, 1395, 1755, 2015, 3627, 4185, 6045, 7723, 10881, 18135, 23169, 38615, 54405, 69507, 100399, 115845, 208521, 239413, 301197, 347535, 501995, 718239, 903591, 1042605, 1197065, 1505985, 2154717, 2710773, 3112369, 3591195, 4517955, 6464151, 9337107, 10773585, 13553865, 15561845, 28011321, 32320755, 46685535, 84033963, 140056605, 420169815]

約数ペア:

[(1, 420169815), (3, 140056605), (5, 84033963), (9, 46685535), (13, 32320755), (15, 28011321), (27, 15561845), (31, 13553865), (39, 10773585), (45, 9337107), (65, 6464151), (93, 4517955), (117, 3591195), (135, 3112369), (155, 2710773), (195, 2154717), (279, 1505985), (351, 1197065), (403, 1042605), (465, 903591), (585, 718239), (837, 501995), (1209, 347535), (1395, 301197), (1755, 239413), (2015, 208521), (3627, 115845), (4185, 100399), (6045, 69507), (7723, 54405), (10881, 38615), (18135, 23169)]