291230043

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 474969600

約数和(自身を除く): 183739557

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 61, 183, 221, 247, 323, 379, 663, 741, 793, 969, 1037, 1137, 1159, 2379, 3111, 3477, 4199, 4927, 6443, 7201, 12597, 13481, 14781, 15067, 19329, 19703, 21603, 23119, 40443, 45201, 59109, 69357, 83759, 93613, 122417, 251277, 256139, 280839, 300547, 367251, 393023, 439261, 768417, 901641, 1179069, 1317783, 1591421, 4774263, 5109299, 5710393, 7467437, 15327897, 17131179, 22402311, 97076681, 291230043]

約数ペア:

[(1, 291230043), (3, 97076681), (13, 22402311), (17, 17131179), (19, 15327897), (39, 7467437), (51, 5710393), (57, 5109299), (61, 4774263), (183, 1591421), (221, 1317783), (247, 1179069), (323, 901641), (379, 768417), (663, 439261), (741, 393023), (793, 367251), (969, 300547), (1037, 280839), (1137, 256139), (1159, 251277), (2379, 122417), (3111, 93613), (3477, 83759), (4199, 69357), (4927, 59109), (6443, 45201), (7201, 40443), (12597, 23119), (13481, 21603), (14781, 19703), (15067, 19329)]