1821222

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 4372368

約数和(自身を除く): 2551146

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 181, 234, 258, 362, 387, 543, 559, 774, 1086, 1118, 1629, 1677, 2353, 3258, 3354, 4706, 5031, 7059, 7783, 10062, 14118, 15566, 21177, 23349, 42354, 46698, 70047, 101179, 140094, 202358, 303537, 607074, 910611, 1821222]

約数ペア:

[(1, 1821222), (2, 910611), (3, 607074), (6, 303537), (9, 202358), (13, 140094), (18, 101179), (26, 70047), (39, 46698), (43, 42354), (78, 23349), (86, 21177), (117, 15566), (129, 14118), (181, 10062), (234, 7783), (258, 7059), (362, 5031), (387, 4706), (543, 3354), (559, 3258), (774, 2353), (1086, 1677), (1118, 1629)]