1780506

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1087}}^1$

素因数の和:1115

約数の個数: 48

約数和(自身を含む): 4752384

約数和(自身を除く): 2971878

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1087, 1638, 2174, 3261, 6522, 7609, 9783, 14131, 15218, 19566, 22827, 28262, 42393, 45654, 68481, 84786, 98917, 127179, 136962, 197834, 254358, 296751, 593502, 890253, 1780506]

約数ペア:

[(1, 1780506), (2, 890253), (3, 593502), (6, 296751), (7, 254358), (9, 197834), (13, 136962), (14, 127179), (18, 98917), (21, 84786), (26, 68481), (39, 45654), (42, 42393), (63, 28262), (78, 22827), (91, 19566), (117, 15218), (126, 14131), (182, 9783), (234, 7609), (273, 6522), (546, 3261), (819, 2174), (1087, 1638)]