538442919

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{359}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 960336000

約数和(自身を除く): 421893081

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 179, 359, 399, 441, 537, 931, 1077, 1197, 1253, 1611, 2513, 2793, 3231, 3401, 3759, 6821, 7539, 8379, 8771, 10203, 11277, 17591, 20463, 22617, 23807, 26313, 30609, 47747, 52773, 61389, 64261, 71421, 78939, 143241, 158319, 166649, 192783, 214263, 334229, 429723, 449827, 499947, 578349, 1002687, 1220959, 1349481, 1499841, 3008061, 3148789, 3662877, 4048443, 8546713, 9446367, 10988631, 25640139, 28339101, 59826991, 76920417, 179480973, 538442919]

約数ペア:

[(1, 538442919), (3, 179480973), (7, 76920417), (9, 59826991), (19, 28339101), (21, 25640139), (49, 10988631), (57, 9446367), (63, 8546713), (133, 4048443), (147, 3662877), (171, 3148789), (179, 3008061), (359, 1499841), (399, 1349481), (441, 1220959), (537, 1002687), (931, 578349), (1077, 499947), (1197, 449827), (1253, 429723), (1611, 334229), (2513, 214263), (2793, 192783), (3231, 166649), (3401, 158319), (3759, 143241), (6821, 78939), (7539, 71421), (8379, 64261), (8771, 61389), (10203, 52773), (11277, 47747), (17591, 30609), (20463, 26313), (22617, 23807)]