12901665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 25804800

約数和(自身を除く): 12903135

約数列:

[1, 3, 5, 7, 15, 19, 21, 29, 35, 57, 87, 95, 105, 133, 145, 203, 223, 285, 399, 435, 551, 609, 665, 669, 1015, 1115, 1561, 1653, 1995, 2755, 3045, 3345, 3857, 4237, 4683, 6467, 7805, 8265, 11571, 12711, 19285, 19401, 21185, 23415, 29659, 32335, 45269, 57855, 63555, 88977, 97005, 122873, 135807, 148295, 226345, 368619, 444885, 614365, 679035, 860111, 1843095, 2580333, 4300555, 12901665]

約数ペア:

[(1, 12901665), (3, 4300555), (5, 2580333), (7, 1843095), (15, 860111), (19, 679035), (21, 614365), (29, 444885), (35, 368619), (57, 226345), (87, 148295), (95, 135807), (105, 122873), (133, 97005), (145, 88977), (203, 63555), (223, 57855), (285, 45269), (399, 32335), (435, 29659), (551, 23415), (609, 21185), (665, 19401), (669, 19285), (1015, 12711), (1115, 11571), (1561, 8265), (1653, 7805), (1995, 6467), (2755, 4683), (3045, 4237), (3345, 3857)]