218675403

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 356918400

約数和(自身を除く): 138242997

約数列:

[1, 3, 9, 17, 27, 51, 53, 89, 101, 153, 159, 267, 303, 459, 477, 801, 901, 909, 1431, 1513, 1717, 2403, 2703, 2727, 4539, 4717, 5151, 5353, 8109, 8989, 13617, 14151, 15453, 16059, 24327, 26967, 40851, 42453, 46359, 48177, 80189, 80901, 91001, 127359, 144531, 152813, 240567, 242703, 273003, 458439, 476417, 721701, 819009, 1375317, 1429251, 2165103, 2457027, 4125951, 4287753, 8099089, 12863259, 24297267, 72891801, 218675403]

約数ペア:

[(1, 218675403), (3, 72891801), (9, 24297267), (17, 12863259), (27, 8099089), (51, 4287753), (53, 4125951), (89, 2457027), (101, 2165103), (153, 1429251), (159, 1375317), (267, 819009), (303, 721701), (459, 476417), (477, 458439), (801, 273003), (901, 242703), (909, 240567), (1431, 152813), (1513, 144531), (1717, 127359), (2403, 91001), (2703, 80901), (2727, 80189), (4539, 48177), (4717, 46359), (5151, 42453), (5353, 40851), (8109, 26967), (8989, 24327), (13617, 16059), (14151, 15453)]