23391945

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 43243200

約数和(自身を除く): 19851255

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 109, 171, 251, 285, 327, 545, 753, 855, 981, 1255, 1635, 2071, 2259, 3765, 4769, 4905, 6213, 10355, 11295, 14307, 18639, 23845, 27359, 31065, 42921, 71535, 82077, 93195, 136795, 214605, 246231, 410385, 519821, 1231155, 1559463, 2599105, 4678389, 7797315, 23391945]

約数ペア:

[(1, 23391945), (3, 7797315), (5, 4678389), (9, 2599105), (15, 1559463), (19, 1231155), (45, 519821), (57, 410385), (95, 246231), (109, 214605), (171, 136795), (251, 93195), (285, 82077), (327, 71535), (545, 42921), (753, 31065), (855, 27359), (981, 23845), (1255, 18639), (1635, 14307), (2071, 11295), (2259, 10355), (3765, 6213), (4769, 4905)]