253446921

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3557}}^1$

素因数の和:3615

約数の個数: 64

約数和(自身を含む): 478195200

約数和(自身を除く): 224748279

約数列:

[1, 3, 7, 9, 13, 21, 27, 29, 39, 63, 87, 91, 117, 189, 203, 261, 273, 351, 377, 609, 783, 819, 1131, 1827, 2457, 2639, 3393, 3557, 5481, 7917, 10179, 10671, 23751, 24899, 32013, 46241, 71253, 74697, 96039, 103153, 138723, 224091, 309459, 323687, 416169, 672273, 722071, 928377, 971061, 1248507, 1340989, 2166213, 2785131, 2913183, 4022967, 6498639, 8739549, 9386923, 12068901, 19495917, 28160769, 36206703, 84482307, 253446921]

約数ペア:

[(1, 253446921), (3, 84482307), (7, 36206703), (9, 28160769), (13, 19495917), (21, 12068901), (27, 9386923), (29, 8739549), (39, 6498639), (63, 4022967), (87, 2913183), (91, 2785131), (117, 2166213), (189, 1340989), (203, 1248507), (261, 971061), (273, 928377), (351, 722071), (377, 672273), (609, 416169), (783, 323687), (819, 309459), (1131, 224091), (1827, 138723), (2457, 103153), (2639, 96039), (3393, 74697), (3557, 71253), (5481, 46241), (7917, 32013), (10179, 24899), (10671, 23751)]