289376475

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1753}}^1$

素因数の和:1868

約数の個数: 48

約数和(自身を含む): 501110784

約数和(自身を除く): 211734309

約数列:

[1, 3, 5, 15, 25, 31, 71, 75, 93, 155, 213, 355, 465, 775, 1065, 1753, 1775, 2201, 2325, 5259, 5325, 6603, 8765, 11005, 26295, 33015, 43825, 54343, 55025, 124463, 131475, 163029, 165075, 271715, 373389, 622315, 815145, 1358575, 1866945, 3111575, 3858353, 4075725, 9334725, 11575059, 19291765, 57875295, 96458825, 289376475]

約数ペア:

[(1, 289376475), (3, 96458825), (5, 57875295), (15, 19291765), (25, 11575059), (31, 9334725), (71, 4075725), (75, 3858353), (93, 3111575), (155, 1866945), (213, 1358575), (355, 815145), (465, 622315), (775, 373389), (1065, 271715), (1753, 165075), (1775, 163029), (2201, 131475), (2325, 124463), (5259, 55025), (5325, 54343), (6603, 43825), (8765, 33015), (11005, 26295)]