61984251

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 113433600

約数和(自身を除く): 51449349

約数列:

[1, 3, 7, 9, 19, 21, 27, 41, 57, 63, 123, 133, 171, 189, 287, 369, 399, 421, 513, 779, 861, 1107, 1197, 1263, 2337, 2583, 2947, 3591, 3789, 5453, 7011, 7749, 7999, 8841, 11367, 16359, 17261, 21033, 23997, 26523, 49077, 51783, 55993, 71991, 79569, 120827, 147231, 155349, 167979, 215973, 327959, 362481, 466047, 503937, 983877, 1087443, 1511811, 2295713, 2951631, 3262329, 6887139, 8854893, 20661417, 61984251]

約数ペア:

[(1, 61984251), (3, 20661417), (7, 8854893), (9, 6887139), (19, 3262329), (21, 2951631), (27, 2295713), (41, 1511811), (57, 1087443), (63, 983877), (123, 503937), (133, 466047), (171, 362481), (189, 327959), (287, 215973), (369, 167979), (399, 155349), (421, 147231), (513, 120827), (779, 79569), (861, 71991), (1107, 55993), (1197, 51783), (1263, 49077), (2337, 26523), (2583, 23997), (2947, 21033), (3591, 17261), (3789, 16359), (5453, 11367), (7011, 8841), (7749, 7999)]