15293187

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 27675648

約数和(自身を除く): 12382461

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 71, 91, 117, 213, 263, 273, 497, 639, 789, 819, 923, 1491, 1841, 2367, 2769, 3419, 4473, 5523, 6461, 8307, 10257, 16569, 18673, 19383, 23933, 30771, 56019, 58149, 71799, 130711, 168057, 215397, 242749, 392133, 728247, 1176399, 1699243, 2184741, 5097729, 15293187]

約数ペア:

[(1, 15293187), (3, 5097729), (7, 2184741), (9, 1699243), (13, 1176399), (21, 728247), (39, 392133), (63, 242749), (71, 215397), (91, 168057), (117, 130711), (213, 71799), (263, 58149), (273, 56019), (497, 30771), (639, 23933), (789, 19383), (819, 18673), (923, 16569), (1491, 10257), (1841, 8307), (2367, 6461), (2769, 5523), (3419, 4473)]