3865545

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 7368192

約数和(自身を除く): 3502647

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 85, 93, 153, 155, 163, 255, 279, 465, 489, 527, 765, 815, 1395, 1467, 1581, 2445, 2635, 2771, 4743, 5053, 7335, 7905, 8313, 13855, 15159, 23715, 24939, 25265, 41565, 45477, 75795, 85901, 124695, 227385, 257703, 429505, 773109, 1288515, 3865545]

約数ペア:

[(1, 3865545), (3, 1288515), (5, 773109), (9, 429505), (15, 257703), (17, 227385), (31, 124695), (45, 85901), (51, 75795), (85, 45477), (93, 41565), (153, 25265), (155, 24939), (163, 23715), (255, 15159), (279, 13855), (465, 8313), (489, 7905), (527, 7335), (765, 5053), (815, 4743), (1395, 2771), (1467, 2635), (1581, 2445)]