19989581625

素因数分解:

$3^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{455603}}^1$

素因数の和:455640

約数の個数: 64

約数和(自身を含む): 39801565440

約数和(自身を除く): 19811983815

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 125, 135, 195, 225, 325, 351, 375, 585, 675, 975, 1125, 1625, 1755, 2925, 3375, 4875, 8775, 14625, 43875, 455603, 1366809, 2278015, 4100427, 5922839, 6834045, 11390075, 12301281, 17768517, 20502135, 29614195, 34170225, 53305551, 56950375, 61506405, 88842585, 102510675, 148070975, 159916653, 170851125, 266527755, 307532025, 444212925, 512553375, 740354875, 799583265, 1332638775, 1537660125, 2221064625, 3997916325, 6663193875, 19989581625]

約数ペア:

[(1, 19989581625), (3, 6663193875), (5, 3997916325), (9, 2221064625), (13, 1537660125), (15, 1332638775), (25, 799583265), (27, 740354875), (39, 512553375), (45, 444212925), (65, 307532025), (75, 266527755), (117, 170851125), (125, 159916653), (135, 148070975), (195, 102510675), (225, 88842585), (325, 61506405), (351, 56950375), (375, 53305551), (585, 34170225), (675, 29614195), (975, 20502135), (1125, 17768517), (1625, 12301281), (1755, 11390075), (2925, 6834045), (3375, 5922839), (4875, 4100427), (8775, 2278015), (14625, 1366809), (43875, 455603)]