636950025

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1723}}^1$

素因数の和:1823

約数の個数: 72

約数和(自身を含む): 1200566016

約数和(自身を除く): 563615991

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 53, 75, 93, 155, 159, 225, 265, 279, 465, 477, 775, 795, 1325, 1395, 1643, 1723, 2325, 2385, 3975, 4929, 5169, 6975, 8215, 8615, 11925, 14787, 15507, 24645, 25845, 41075, 43075, 53413, 73935, 77535, 91319, 123225, 129225, 160239, 267065, 273957, 369675, 387675, 456595, 480717, 801195, 821871, 1335325, 1369785, 2282975, 2403585, 2830889, 4005975, 4109355, 6848925, 8492667, 12017925, 14154445, 20546775, 25478001, 42463335, 70772225, 127390005, 212316675, 636950025]

約数ペア:

[(1, 636950025), (3, 212316675), (5, 127390005), (9, 70772225), (15, 42463335), (25, 25478001), (31, 20546775), (45, 14154445), (53, 12017925), (75, 8492667), (93, 6848925), (155, 4109355), (159, 4005975), (225, 2830889), (265, 2403585), (279, 2282975), (465, 1369785), (477, 1335325), (775, 821871), (795, 801195), (1325, 480717), (1395, 456595), (1643, 387675), (1723, 369675), (2325, 273957), (2385, 267065), (3975, 160239), (4929, 129225), (5169, 123225), (6975, 91319), (8215, 77535), (8615, 73935), (11925, 53413), (14787, 43075), (15507, 41075), (24645, 25845)]