28067985

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 27815535

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 41, 45, 55, 99, 123, 135, 165, 205, 297, 369, 451, 461, 495, 615, 1107, 1353, 1383, 1485, 1845, 2255, 2305, 4059, 4149, 5071, 5535, 6765, 6915, 12177, 12447, 15213, 18901, 20295, 20745, 25355, 45639, 56703, 60885, 62235, 76065, 94505, 136917, 170109, 207911, 228195, 283515, 510327, 623733, 684585, 850545, 1039555, 1871199, 2551635, 3118665, 5613597, 9355995, 28067985]

約数ペア:

[(1, 28067985), (3, 9355995), (5, 5613597), (9, 3118665), (11, 2551635), (15, 1871199), (27, 1039555), (33, 850545), (41, 684585), (45, 623733), (55, 510327), (99, 283515), (123, 228195), (135, 207911), (165, 170109), (205, 136917), (297, 94505), (369, 76065), (451, 62235), (461, 60885), (495, 56703), (615, 45639), (1107, 25355), (1353, 20745), (1383, 20295), (1485, 18901), (1845, 15213), (2255, 12447), (2305, 12177), (4059, 6915), (4149, 6765), (5071, 5535)]