289948425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 545965056

約数和(自身を除く): 256016631

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 53, 65, 75, 93, 155, 159, 181, 195, 265, 325, 403, 465, 543, 689, 775, 795, 905, 975, 1209, 1325, 1643, 2015, 2067, 2325, 2353, 2715, 3445, 3975, 4525, 4929, 5611, 6045, 7059, 8215, 9593, 10075, 10335, 11765, 13575, 16833, 17225, 21359, 24645, 28055, 28779, 30225, 35295, 41075, 47965, 51675, 58825, 64077, 72943, 84165, 106795, 123225, 124709, 140275, 143895, 176475, 218829, 239825, 297383, 320385, 364715, 374127, 420825, 533975, 623545, 719475, 892149, 1094145, 1486915, 1601925, 1823575, 1870635, 3117725, 3865979, 4460745, 5470725, 7434575, 9353175, 11597937, 19329895, 22303725, 57989685, 96649475, 289948425]

約数ペア:

[(1, 289948425), (3, 96649475), (5, 57989685), (13, 22303725), (15, 19329895), (25, 11597937), (31, 9353175), (39, 7434575), (53, 5470725), (65, 4460745), (75, 3865979), (93, 3117725), (155, 1870635), (159, 1823575), (181, 1601925), (195, 1486915), (265, 1094145), (325, 892149), (403, 719475), (465, 623545), (543, 533975), (689, 420825), (775, 374127), (795, 364715), (905, 320385), (975, 297383), (1209, 239825), (1325, 218829), (1643, 176475), (2015, 143895), (2067, 140275), (2325, 124709), (2353, 123225), (2715, 106795), (3445, 84165), (3975, 72943), (4525, 64077), (4929, 58825), (5611, 51675), (6045, 47965), (7059, 41075), (8215, 35295), (9593, 30225), (10075, 28779), (10335, 28055), (11765, 24645), (13575, 21359), (16833, 17225)]