201018321

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 358871040

約数和(自身を除く): 157852719

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 131, 161, 189, 207, 353, 393, 483, 621, 917, 1059, 1179, 1449, 2471, 2751, 3013, 3177, 3537, 4347, 7413, 8119, 8253, 9039, 9531, 21091, 22239, 24357, 24759, 27117, 46243, 56833, 63273, 66717, 73071, 81351, 138729, 170499, 189819, 219213, 323701, 416187, 511497, 569457, 971103, 1063589, 1248561, 1534491, 2913309, 3190767, 7445123, 8739927, 9572301, 22335369, 28716903, 67006107, 201018321]

約数ペア:

[(1, 201018321), (3, 67006107), (7, 28716903), (9, 22335369), (21, 9572301), (23, 8739927), (27, 7445123), (63, 3190767), (69, 2913309), (131, 1534491), (161, 1248561), (189, 1063589), (207, 971103), (353, 569457), (393, 511497), (483, 416187), (621, 323701), (917, 219213), (1059, 189819), (1179, 170499), (1449, 138729), (2471, 81351), (2751, 73071), (3013, 66717), (3177, 63273), (3537, 56833), (4347, 46243), (7413, 27117), (8119, 24759), (8253, 24357), (9039, 22239), (9531, 21091)]