42646545

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 80371200

約数和(自身を除く): 37724655

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 155, 171, 279, 285, 465, 589, 855, 1395, 1609, 1767, 2945, 4827, 5301, 8045, 8835, 14481, 24135, 26505, 30571, 49879, 72405, 91713, 149637, 152855, 249395, 275139, 448911, 458565, 748185, 947701, 1375695, 2244555, 2843103, 4738505, 8529309, 14215515, 42646545]

約数ペア:

[(1, 42646545), (3, 14215515), (5, 8529309), (9, 4738505), (15, 2843103), (19, 2244555), (31, 1375695), (45, 947701), (57, 748185), (93, 458565), (95, 448911), (155, 275139), (171, 249395), (279, 152855), (285, 149637), (465, 91713), (589, 72405), (855, 49879), (1395, 30571), (1609, 26505), (1767, 24135), (2945, 14481), (4827, 8835), (5301, 8045)]