16968015

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 32102400

約数和(自身を除く): 15134385

約数列:

[1, 3, 5, 9, 15, 27, 37, 43, 45, 79, 111, 129, 135, 185, 215, 237, 333, 387, 395, 555, 645, 711, 999, 1161, 1185, 1591, 1665, 1935, 2133, 2923, 3397, 3555, 4773, 4995, 5805, 7955, 8769, 10191, 10665, 14319, 14615, 16985, 23865, 26307, 30573, 42957, 43845, 50955, 71595, 78921, 91719, 125689, 131535, 152865, 214785, 377067, 394605, 458595, 628445, 1131201, 1885335, 3393603, 5656005, 16968015]

約数ペア:

[(1, 16968015), (3, 5656005), (5, 3393603), (9, 1885335), (15, 1131201), (27, 628445), (37, 458595), (43, 394605), (45, 377067), (79, 214785), (111, 152865), (129, 131535), (135, 125689), (185, 91719), (215, 78921), (237, 71595), (333, 50955), (387, 43845), (395, 42957), (555, 30573), (645, 26307), (711, 23865), (999, 16985), (1161, 14615), (1185, 14319), (1591, 10665), (1665, 10191), (1935, 8769), (2133, 7955), (2923, 5805), (3397, 4995), (3555, 4773)]