216972

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{41}}^1$

素因数の和:68

約数の個数: 72

約数和(自身を含む): 670320

約数和(自身を除く): 453348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 49, 54, 63, 82, 84, 98, 108, 123, 126, 147, 164, 189, 196, 246, 252, 287, 294, 369, 378, 441, 492, 574, 588, 738, 756, 861, 882, 1107, 1148, 1323, 1476, 1722, 1764, 2009, 2214, 2583, 2646, 3444, 4018, 4428, 5166, 5292, 6027, 7749, 8036, 10332, 12054, 15498, 18081, 24108, 30996, 36162, 54243, 72324, 108486, 216972]

約数ペア:

[(1, 216972), (2, 108486), (3, 72324), (4, 54243), (6, 36162), (7, 30996), (9, 24108), (12, 18081), (14, 15498), (18, 12054), (21, 10332), (27, 8036), (28, 7749), (36, 6027), (41, 5292), (42, 5166), (49, 4428), (54, 4018), (63, 3444), (82, 2646), (84, 2583), (98, 2214), (108, 2009), (123, 1764), (126, 1722), (147, 1476), (164, 1323), (189, 1148), (196, 1107), (246, 882), (252, 861), (287, 756), (294, 738), (369, 588), (378, 574), (441, 492)]