291205395

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2273}}^1$

素因数の和:2373

約数の個数: 64

約数和(自身を含む): 565407360

約数和(自身を除く): 274201965

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 73, 117, 135, 195, 219, 351, 365, 585, 657, 949, 1095, 1755, 1971, 2273, 2847, 3285, 4745, 6819, 8541, 9855, 11365, 14235, 20457, 25623, 29549, 34095, 42705, 61371, 88647, 102285, 128115, 147745, 165929, 265941, 306855, 443235, 497787, 797823, 829645, 1329705, 1493361, 2157077, 2488935, 3989115, 4480083, 6471231, 7466805, 10785385, 19413693, 22400415, 32356155, 58241079, 97068465, 291205395]

約数ペア:

[(1, 291205395), (3, 97068465), (5, 58241079), (9, 32356155), (13, 22400415), (15, 19413693), (27, 10785385), (39, 7466805), (45, 6471231), (65, 4480083), (73, 3989115), (117, 2488935), (135, 2157077), (195, 1493361), (219, 1329705), (351, 829645), (365, 797823), (585, 497787), (657, 443235), (949, 306855), (1095, 265941), (1755, 165929), (1971, 147745), (2273, 128115), (2847, 102285), (3285, 88647), (4745, 61371), (6819, 42705), (8541, 34095), (9855, 29549), (11365, 25623), (14235, 20457)]